Wet flue-gas dsulfurization system

Details Wet flue-gas dsulfurization system Wet flue-gas dsulfurization system

1995-09-06

1997-09-09

Chiesa, Richard L.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55228, 55229, 55259, B01D 4714

Patent

active

056651295

ABSTRACT:
A wet flue-gas desulfurization system which effectively reduces the mist concentration in the treated gas at its outlet. The system includes an absorption column, formed with a tank at the bottom which is supplied with an absorbent slurry and a circulating pump for forcing the slurry upwardly from the tank into the flue gas inlet at the top of the column for contact with flue gas. Sulfur dioxide, for example, is removed from the flue gas, being introduced in the flue gas inlet, by absorption with the absorbent slurry. The treated gas, free of sulfur dioxide, is discharged through a gas-outlet duct formed to rise integrally from the top of an end part of the tank. For reducing the mist concentration a mist eliminator is provided and is held upright, as a vertical partition, across the riser of the duct, with the lower end of the eliminator being extended partly into the bath of the absorbent slurry inside the tank.

REFERENCES:
patent: 3006436 (1961-10-01), Starbuck et al.
patent: 3500615 (1970-03-01), Meek
patent: 3648440 (1972-03-01), Egan
patent: 3767176 (1973-10-01), Engalitcheff, Jr. et al.
patent: 4366132 (1982-12-01), Holter et al.

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